D-Leucine

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D-leucine structural formula

Structural formula

Business number 0482
Molecular formula C6H13NO2
Molecular weight 131.17
label

D-Leucine,

D-2-amino-4-methylpentanoic acid,

D-leucine (D-leucine),

D-Leucine,

(R)-(-)-LEUCINE,

(R)-LEUCINE,

(R)-2-AMINO-4-METHYLPENTANOIC ACID,

(R)-2-AMINO-4-METHYLVALERIC ACID,

d-leucin,

Leucine, D-,

D-LEU,

D-LEUCINE

Numbering system

CAS number:328-38-1

MDL number:MFCD00063088

EINECS number:206-327-7

RTECS number:OH2840000

BRN number:1721721

PubChem number:24874859

Physical property data

一 , physical property data


Traits :White flaky crystals.


Density (g/mL,25/4): Not available


Relative Vapor density (g/mL, air=1)Not available


Melting point (ºC):293


Boiling point (ºC, normal pressure): Not available


Boiling point (ºC, 5.2kPa): Not available


Refraction Rate: Not available


Flash Point (ºC): Not available


Optical rotation (º): 10.34


Spontaneous combustion Point or ignition temperature (ºC): Not available


Steam Pressure (kPa, 25ºC): Not available


saturated Vapor pressure (kPa, 60ºC): Not available


Burn Heat (KJ/mol):Not available


Critical Temperature (ºC): Not available


Critical Pressure (KPa): Not available


oil and water Log value of the (octanol/water) partition coefficient:Not available


Explosion Upper limit (%, V/V): Not available


Explosion Lower limit (%, V/V): Not available


Dissolve Sex: Soluble in water

Toxicological data

Two , Toxicological data:


Acute Toxicity:Mid lethal dose (rat, intraperitoneal)642mg/kg. .

Ecological data

Three , Ecological data:


1 ,Other harmful effects: This substance may be harmful to the environment, and special treatment should be given to water bodies. Notice.

Molecular structure data

1. Molar refractive index: 34.86


2. Molar volume (m3/mol):126.6


3. isotonic specific volume (90.2K):316.4Solubility :Soluble in water

Toxicological data

Two , Toxicological data:


Acute Toxicity:Mid lethal dose (rat, intraperitoneal)642mg/kg. .

Ecological data

Three , Ecological data:


1 ,Other harmful effects: This substance may be harmful to the environment, and special treatment should be given to water bodies. Notice.

Molecular structure data

1. Molar refractive index: 34.86


2. Molar volume (m3/mol):126.6


3. isotonic specific volume (90.2K):316.4


4. Surface Tension (dyne/cm):39.0


5. Polarizability10-24cm3):13.82

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): None

2. Number of hydrogen bond donors: 2

3. Number of hydrogen bond acceptors: 3

4. Number of rotatable chemical bonds: 3

5. Number of tautomers: none

6. Topological molecule polar surface area 63.3

7. Number of heavy atoms: 9

8. Surface charge: 0

9. Complexity: 101

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 1

12. Uncertain number of atomic stereocenters: 0

13. Determine the number of chemical bond stereocenters: 0

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

None yet

Storage method

Should be sealed and stored dry.

Synthesis method

Use acetyl-DL-leucine as raw material, remove L-leucine through acylase treatment, then hydrolyze with hydrochloric acid to obtain crude product, and obtain pure product after crystallization and purification.

Purpose

For biochemical research.

>


4. Surface Tension (dyne/cm):39.0


5. Polarizability10-24cm3):13.82

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): None

2. Number of hydrogen bond donors: 2

3. Number of hydrogen bond acceptors: 3

4. Number of rotatable chemical bonds: 3

5. Number of tautomers: none

6. Topological molecule polar surface area 63.3

7. Number of heavy atoms: 9

8. Surface charge: 0

9. Complexity: 101

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 1

12. Uncertain number of atomic stereocenters: 0

13. Determine the number of chemical bond stereocenters: 0

14. Number of uncertain chemical bond stereocenters: 0

15. Number of covalent bond units: 1

Properties and stability

None yet

Storage method

Should be sealed and stored dry.

Synthesis method

Use acetyl-DL-leucine as raw material, remove L-leucine through acylase treatment, then hydrolyze with hydrochloric acid to obtain crude product, and obtain pure product after crystallization and purification.

Purpose

For biochemical research.

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